Penne and Broccoli

Name: Penne and Broccoli
Ingredients: Coarse salt and ground pepper; 3/4 cup penne or other short pasta (2 ounces); 1 cup broccoli florets (2 ounces); 1 teaspoon olive oil; 1/2 small red onion cut lengthwise into half -inch-thick slices; 1 garlic clove thinly sliced; 1/4 cup part-skim ricotta cheese room temperature